Object/Trait

scalaz

Foldable

Related Docs: trait Foldable | package scalaz

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object Foldable

Source
Foldable.scala
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Type Members

  1. trait FromFoldMap[F[_]] extends Foldable[F]

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    Template trait to define Foldable in terms of foldMap.

    Template trait to define Foldable in terms of foldMap.

    Example:

    new Foldable[Option] with Foldable.FromFoldMap[Option] {
      def foldMap[A, B](fa: Option[A])(f: A => B)(implicit F: Monoid[B]) = fa match {
        case Some(a) => f(a)
        case None    => F.zero
      }
    }
  2. trait FromFoldr[F[_]] extends Foldable[F]

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    Template trait to define Foldable in terms of foldRight

    Template trait to define Foldable in terms of foldRight

    Example:

    new Foldable[Option] with Foldable.FromFoldr[Option] {
      def foldRight[A, B](fa: Option[A], z: B)(f: (A, => B) => B) = fa match {
        case Some(a) => f(a, z)
        case None => z
      }
    }

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def apply[F[_]](implicit F: Foldable[F]): Foldable[F]

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    @inline()
  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )
  7. final def eq(arg0: AnyRef): Boolean

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  10. def fromIso[F[_], G[_]](D: ~>[F, G])(implicit E: Foldable[G]): Foldable[F]

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  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. final def synchronized[T0](arg0: ⇒ T0): T0

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  18. def toString(): String

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  19. final def wait(): Unit

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    @throws( ... )
  20. final def wait(arg0: Long, arg1: Int): Unit

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  21. final def wait(arg0: Long): Unit

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